On 10/06/2017 03:46 PM, Wilco Dijkstra wrote:
> Martin Liska wrote:
>
>> There are some numbers for cc1plus:
>>
>> $ bloaty ./objdir2/gcc/cc1plus -- ./objdir/gcc/cc1plus
>> VM SIZE FILE SIZE
>> +3.8% +1.11Mi TOTAL +1.03Mi +0.5%
>
>> insn-attrtab.o:
>> VM S
On 10/06/2017 07:24 PM, David Malcolm wrote:
> On Fri, 2017-10-06 at 14:25 +0200, Martin Liška wrote:
>> Hello.
>>
>> As presented at this year's Cauldron, I rewrote current switch
>> expansion to support
>> multiple algorithms (jump table and bit-test) that can be used just
>> for a fraction
>> of
Hi.
I have watched Martin's talk on switch lowering improvements (
https://slideslive.com/38902416/switch-lowering-improvements), the last
slide has a question about benchmarks that can be used for tuning the
switch statement optimizer. Martin mentioned one common use case - bytecode
interpreters
On Fri, 2017-10-06 at 14:25 +0200, Martin Liška wrote:
> Hello.
>
> As presented at this year's Cauldron, I rewrote current switch
> expansion to support
> multiple algorithms (jump table and bit-test) that can be used just
> for a fraction
> of cases. Balanced decision tree is built on top of tha
Martin Liska wrote:
> There are some numbers for cc1plus:
>
> $ bloaty ./objdir2/gcc/cc1plus -- ./objdir/gcc/cc1plus
> VM SIZE FILE SIZE
> +3.8% +1.11Mi TOTAL +1.03Mi +0.5%
> insn-attrtab.o:
> VM SIZE FILE SIZE
> +214% +682Ki .r
ap on ppc64le-redhat-linux and survives regression tests.
I'm still planning to come with some numbers and stats. Will do that next week.
Martin
>From db7ad52eb5d65e41d617fb3ff10ab1bc2cef8d04 Mon Sep 17 00:00:00 2001
From: marxin
Date: Wed, 20 Sep 2017 15:22:04 +0200
Subject: [PAT
